Maine’s Bumble Bee Atlas trained Citizen Scientist volunteers to collect samples of Bumble Bees throughout the state. The volunteers collecting between 2015-2017 looked for seventeen species of Bumbles known to have been in Maine.
Bumble Bee species frequently have various abdominal color bands/markings, and other features must be examined to identify them. Some pictures do not include enough detail to make an identification. The pictures here have been chosen without regard to bee gender or color variations.
![B affinis, a/k/a The Rusty-patched Bumble Bee. Believed extirpated in Maine.](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697135951852-3F05A8O0H2LE7A3T0YK3/306627027.affinis.%C2%A9+Andrew+LF.jpg)
From iNaturalist: (c) Titus Seilheimer, some rights reserved (CC BY-NC)
![B ashtoni, a/k/a Ashton’s Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697135958732-IKVEDFU98AZWXL5CMHHQ/Photo+31694876%2C+ashtoni%2C+%28c%29+leif_richardson%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
From iNaturalist - (c) leif_richardson, some rights reserved (CC BY-NC)
![B bimaculatus, a/k/a The Two-spotted Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697139794962-TGQE9KTXDGUVO6VCPW9F/affinis%2CPhoto+313801881%2C+%28c%29+Titus+Seilheimer%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
From iNaturalist: (c) roamingthewoods, some rights reserved (CC BY-NC)
![B borealis, a/k/a The Northern Amber Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697153835229-T4WQQEKMIJHOD2P174VX/borealis%2C+Photo+319130864%2C+%28c%29+trillseek024%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) trillseek024, some rights reserved (CC BY-NC)
![B citrinus, a/k/a The Lemon Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697154213052-BMO1Z2OLO3J8UN8E7KVS/citrinus%252C%2BPhoto%2B319130864%252C%2B%2528c%2529%2Btrillseek024%252C%2Bsome%2Brights%2Breserved%2B%2528CC%2BBY-NC%2529.jpg)
From iNaturalist: (c) trillseek024, some rights reserved (CC BY-NC)
![B fervidus, a/k/a The Yellow Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729005292-CAGEOQKRK486W6NAK6JW/fervidus%2C+Photo+325050010%2C+%28c%29+Kevin%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) Kevin, some rights reserved (CC BY-NC)
![B fermaldae, a/k/a Fernald's Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697797647464-QBE1RXJQ0I7OPFV0YXUC/fernaldae%2C+Photo+22528067%2C+%28c%29+dleaon1%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
From iNaturalist: (c) dleaon1, some rights reserved (CC BY-NC)
![B griseocollis, a/k/a The Brown-belted Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729005534-135IKHGVKRWYI6AIL7ZY/griseicollis%2C+Photo+326517234%2C+%28c%29+roamingthewoods%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) roamingthewoods, some rights reserved (CC BY-NC)
![B impatiens, a/k/a The Common Eastern Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729006735-BGVKA2VK1UGJZTD3JXBK/impatiens%2C+Photo+327459718%2C+%28c%29+Matt+Pelikan%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
From iNaturalist:(c) Matt Pelikan, some rights reserved (CC BY-NC)
![B inularis, a/k/a The Indiscriminate Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729007075-2UNU5V42IYR0RXHAWHSI/insularis%2C+Photo+38022162%2C+no+rights+reserved%2C+uploaded+by+Adam+Kranz+%28Public+Domain%29.jpeg)
From iNaturalist: no rights reserved, uploaded by Adam Kranz (Public Domain)
![B pensylvanicus, a/k/a The American Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729010070-Y09A96DLGYH4U1P1LAMI/pensylvsnicus%2CPhoto+324634777%2C+%28c%29+Celeste%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) Celeste, some rights reserved (CC BY-NC)
![B perplexus, a/k/a The Confusing Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729008611-PBHPFMQK4QAB03AI88U4/perplexus%2C+Photo+325176720%2C+%28c%29+roamingthewoods%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) roamingthewoods, some rights reserved (CC BY-NC)
![B rufocinctus, a/k/a The Red-belted Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729010984-B7AJ2RC1MNCR4WUR22V6/rufocinctus%2C+Photo+321763534%2C+%28c%29+kenbuc%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) kenbuc, some rights reserved (CC BY-NC)
![B sandersoni, a/k/a Sanderson's Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729011364-2JZIR0HRKO7BPE2CVSL8/sandersoni%2C+Photo+309831906%2C+%28c%29+florriefunk%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) florriefunk, some rights reserved (CC BY-NC)
![B ternarius, a/k/a The Tri-colored Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729012678-55VGVCHXQG7OZWKIGA04/ternarius%2C+Photo+309831906%2C+%28c%29+florriefunk%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
From iNaturalist: (c) florriefunk, some rights reserved (CC BY-NC)
![B terricola, a/k/a The Yellow-banded Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729013617-DJM04EQLO7O9PUQ1C7IB/terricola%2C+Photo+309831906%2C+%28c%29+florriefunk%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) florriefunk, some rights reserved (CC BY-NC)
![B vagans, a/k/a The Half-black Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729016976-YT6RMISGURR0V8TSWKDQ/vagans%2C+Photo+322723310%2C+%28c%29+Jay+Heiser%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
From iNaturalist: (c) Jay Heiser, some rights reserved (CC BY-NC)
![B affinis, a/k/a The Rusty-patched Bumble Bee. Believed extirpated in Maine.](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697135951852-3F05A8O0H2LE7A3T0YK3/306627027.affinis.%C2%A9+Andrew+LF.jpg)
![B ashtoni, a/k/a Ashton’s Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697135958732-IKVEDFU98AZWXL5CMHHQ/Photo+31694876%2C+ashtoni%2C+%28c%29+leif_richardson%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
![B bimaculatus, a/k/a The Two-spotted Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697139794962-TGQE9KTXDGUVO6VCPW9F/affinis%2CPhoto+313801881%2C+%28c%29+Titus+Seilheimer%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
![B borealis, a/k/a The Northern Amber Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697153835229-T4WQQEKMIJHOD2P174VX/borealis%2C+Photo+319130864%2C+%28c%29+trillseek024%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B citrinus, a/k/a The Lemon Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697154213052-BMO1Z2OLO3J8UN8E7KVS/citrinus%252C%2BPhoto%2B319130864%252C%2B%2528c%2529%2Btrillseek024%252C%2Bsome%2Brights%2Breserved%2B%2528CC%2BBY-NC%2529.jpg)
![B fervidus, a/k/a The Yellow Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729005292-CAGEOQKRK486W6NAK6JW/fervidus%2C+Photo+325050010%2C+%28c%29+Kevin%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B fermaldae, a/k/a Fernald's Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697797647464-QBE1RXJQ0I7OPFV0YXUC/fernaldae%2C+Photo+22528067%2C+%28c%29+dleaon1%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
![B griseocollis, a/k/a The Brown-belted Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729005534-135IKHGVKRWYI6AIL7ZY/griseicollis%2C+Photo+326517234%2C+%28c%29+roamingthewoods%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B impatiens, a/k/a The Common Eastern Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729006735-BGVKA2VK1UGJZTD3JXBK/impatiens%2C+Photo+327459718%2C+%28c%29+Matt+Pelikan%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
![B inularis, a/k/a The Indiscriminate Cuckoo Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729007075-2UNU5V42IYR0RXHAWHSI/insularis%2C+Photo+38022162%2C+no+rights+reserved%2C+uploaded+by+Adam+Kranz+%28Public+Domain%29.jpeg)
![B pensylvanicus, a/k/a The American Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729010070-Y09A96DLGYH4U1P1LAMI/pensylvsnicus%2CPhoto+324634777%2C+%28c%29+Celeste%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B perplexus, a/k/a The Confusing Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729008611-PBHPFMQK4QAB03AI88U4/perplexus%2C+Photo+325176720%2C+%28c%29+roamingthewoods%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B rufocinctus, a/k/a The Red-belted Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729010984-B7AJ2RC1MNCR4WUR22V6/rufocinctus%2C+Photo+321763534%2C+%28c%29+kenbuc%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B sandersoni, a/k/a Sanderson's Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729011364-2JZIR0HRKO7BPE2CVSL8/sandersoni%2C+Photo+309831906%2C+%28c%29+florriefunk%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B ternarius, a/k/a The Tri-colored Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729012678-55VGVCHXQG7OZWKIGA04/ternarius%2C+Photo+309831906%2C+%28c%29+florriefunk%2C+some+rights+reserved+%28CC+BY-NC%29.jpeg)
![B terricola, a/k/a The Yellow-banded Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729013617-DJM04EQLO7O9PUQ1C7IB/terricola%2C+Photo+309831906%2C+%28c%29+florriefunk%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)
![B vagans, a/k/a The Half-black Bumble Bee](https://images.squarespace-cdn.com/content/v1/5c4a0cef3917eefe6e7658c2/1697729016976-YT6RMISGURR0V8TSWKDQ/vagans%2C+Photo+322723310%2C+%28c%29+Jay+Heiser%2C+some+rights+reserved+%28CC+BY-NC%29.jpg)